General description Rotary Burr Set includes 6 pieces of double cut tungsten rotary burrs designed for both professionals and DIY enthusiasts. The set features common shapes such as Dome Cylinder, Rounded Shaft, Concave Arc with Ball Point, Cone, Cylinder, and Inverted Cone, making it versatile for various applications. Technical specifications Shank Size: 6mm Length: 22.2mm Thickness: 12.7mm Material: Alloy Steel Machining Hardness: HRA85 Compatibility and accessories Compatible with all electric and cordless drills, air tools, grinders, and other rotary tools. Usage Suitable for processing all kinds of metals, including hardened steel, and non-metallic materials such as marble, bone, and jade. Can replace a small grinding wheel for most jobs without creating dust pollution. Use on drills, presses, lathes, hand-held or flexible shaft electric or pneumatic devices. Other information Safe and reliable, can reduce labor intensity.